/******************************************
 * ÆÄÀÏ¸í: rollover.js
 * ±â  ´É: ÀÌ¹ÌÁö rollover °ü·Ã ÀÚ¹Ù½ºÅ©¸³Æ®
 * ÀÛ¼ºÀÏ: 2002-09-11
 * ÀÛ¼ºÀÚ: ºÏ±Ø°õ (bear@pandb.pe.kr)
 ******************************************/

/* ÇÏ±ÙÈ£´Ô²² °¨»ç
 *
 * IE4, NS6 ÀÌ»ó È£È¯
 *
 * [»ç¿ë¹æ¹ý]
 * <body onload="InitRollOver(); SetMenuId('menu14, menu15');">
 * <img src="images/tree.gif" name="menu8" oversrc="images/sun.gif">
 * <img src="images/sun.gif" name="menu14" oversrc="images/tree.gif" setsrc="images/tree.gif">
 * 
 * InitRollOver() ´Â ·Îµå½Ã ÇÑ¹ø¸¸ ½ÇÇà½ÃÄÑÁÖ¸é µÈ´Ù.
 * SetMenuId() ´Â rollover µÇÁö ¾Ê°í ÁöÁ¤ÀÌ¹ÌÁö¸¦ º¸¿©ÁÖ°íÀÚ ÇÒ ¶§ »ç¿ëÇÑ´Ù.
 * ÀÌ¶§ setsrc °¡ ¾øÀ¸¸é oversrc ¸¦ »ç¿ëÇÑ´Ù.
 * ¿©·¯ °³ÀÏ °æ¿ì ,(ÄÞ¸¶)·Î ±¸ºÐÇÑ ¹®ÀÚ¿­·Î ÀÔ·ÂÇÏ¸é µÈ´Ù.
 */

// ºê¶ó¿ìÀú ±¸ºÐ ¹× Á¦ÇÑ
var	IE = (document.getElementById && document.all) ? 1 : 0;
var	NS = (document.getElementById && !document.all) ? 1 : 0;
if(!IE && !NS) {
	alert("Áö¿øÇÏÁö ¾Ê´Â ºê¶ó¿ìÀú¸¦ »ç¿ëÇÏ°í ÀÖ½À´Ï´Ù. ¾÷±×·¹ÀÌµå ÈÄ »ç¿ëÇØÁÖ½Ê½Ã¿ä.        \nYour browser is not supported! Please try again after upgrade it.");
	history.back();
}

var img = new Array;

function MenuRollOver(e) {
	if(IE) el = event.srcElement; else el = document.images[e.target.name];
	if(el.getAttribute("oversrc")) {
		if(el.src == img[el.name].src) {
			el.src = img[el.name + "_over"].src;
		} else {
			el.src = img[el.name].src;
		}
	}
}
	
function InitRollOver() {
	for(i=0; i<document.images.length; i++) {
		el = document.images[i];
		
		if(el.getAttribute("oversrc")) {
			img[el.name] = new Image;
			img[el.name].src = el.src;
			img[el.name + "_over"] = new Image;
			img[el.name + "_over"].src = el.getAttribute("oversrc");

			el.onmouseover = MenuRollOver;
			el.onmouseout = MenuRollOver;
		}
	}
}

function SetMenuId(setlist) {
	array_id = setlist.split(",");
	for(i=0; i<array_id.length; i++) {
		id = array_id[i].replace(/(^\s*)|(\s*$)/g, ""); // trim()
		if(el = document.images[id]) {
			if(el.getAttribute("setsrc")) {
				el.src = el.getAttribute("setsrc");
			} else if(el.getAttribute("oversrc")) {
				el.src = img[id + "_over"].src;
			}
			el.onmouseover = el.onmouseout = "";
		}
	}
}
